High severity · published May 3, 2019
CVE-2019-6611
When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the…
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The BIG-IP system provisioned with the CGNAT module and configured with a virtual server using a PPTP profile is exposed to this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Analytics · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Application Security Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BD
Big-ip Domain Name System · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BE
Big-ip Edge Gateway · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BF
Big-ip Fraud Protection Service · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BL
Big-ip Link Controller · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.5.2 before 11.5.9; 11.6.1 before 11.6.4; 12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6611
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6611
Third Party Advisory
http://www.securityfocus.com/bid/108187
Vendor Advisory
https://support.f5.com/csp/article/K47527163
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